21095526151

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1\times {\mathrm{44687}}^1$

素因数の和:48678

約数の個数: 16

約数和(自身を含む): 25534365696

約数和(自身を除く): 4438839545

約数列:

[1, 7, 17, 119, 3967, 27769, 44687, 67439, 312809, 472073, 759679, 5317753, 177273329, 1240913303, 3013646593, 21095526151]

約数ペア:

[(1, 21095526151), (7, 3013646593), (17, 1240913303), (119, 177273329), (3967, 5317753), (27769, 759679), (44687, 472073), (67439, 312809)]